/*  Copyright (c) 2000-2006 hamcrest.org
 */
package org.junit.internal.matchers;

import org.hamcrest.Factory;
import org.hamcrest.Matcher;

/**
 * Tests if the argument is a string that contains a substring.
 */
public class StringContains extends SubstringMatcher {
	public StringContains(String substring) {
		super(substring);
	}

	@Override
	protected boolean evalSubstringOf(String s) {
		return s.indexOf(substring) >= 0;
	}

	@Override
	protected String relationship() {
		return "containing";
	}

	@Factory
	public static Matcher<String> containsString(String substring) {
		return new StringContains(substring);
	}

}